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Effective Threat Investigation for SOC Analysts

You're reading from   Effective Threat Investigation for SOC Analysts The ultimate guide to examining various threats and attacker techniques using security logs

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Product type Paperback
Published in Aug 2023
Publisher Packt
ISBN-13 9781837634781
Length 314 pages
Edition 1st Edition
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Author (1):
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Mostafa Yahia Mostafa Yahia
Author Profile Icon Mostafa Yahia
Mostafa Yahia
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Toc

Table of Contents (22) Chapters Close

Preface 1. Part 1: Email Investigation Techniques
2. Chapter 1: Investigating Email Threats FREE CHAPTER 3. Chapter 2: Email Flow and Header Analysis 4. Part 2: Investigating Windows Threats by Using Event Logs
5. Chapter 3: Introduction to Windows Event Logs 6. Chapter 4: Tracking Accounts Login and Management 7. Chapter 5: Investigating Suspicious Process Execution Using Windows Event Logs 8. Chapter 6: Investigating PowerShell Event Logs 9. Chapter 7: Investigating Persistence and Lateral Movement Using Windows Event Logs 10. Part 3: Investigating Network Threats by Using Firewall and Proxy Logs
11. Chapter 8: Network Firewall Logs Analysis 12. Chapter 9: Investigating Cyber Threats by Using the Firewall Logs 13. Chapter 10: Web Proxy Logs Analysis 14. Chapter 11: Investigating Suspicious Outbound Communications (C&C Communications) by Using Proxy Logs 15. Part 4: Investigating Other Threats and Leveraging External Sources to Investigate Cyber Threats
16. Chapter 12: Investigating External Threats 17. Chapter 13: Investigating Network Flows and Security Solutions Alerts 18. Chapter 14: Threat Intelligence in a SOC Analyst’s Day 19. Chapter 15: Malware Sandboxing – Building a Malware Sandbox 20. Index 21. Other Books You May Enjoy

Investigating the email header of a spoofed message

In the previous section, we analyzed the email header of a legitimate and non-spoofed email message, and we learned about the various email authentication protocols, how they work, and the expected results of a successful email authentication process. In this section, we will examine the email authentication result of a spoofed email message to understand what it looks like when email authentication fails.

In this section, we will thoroughly examine the email authentication results of an email purporting to be sent from the fedex.com domain to the mostafayahia753@gmail.com email address. To investigate the email message, we followed the steps outlined in Chapter 1, which led us to conclude that the email was indeed malicious and contained a harmful attachment designed to gain unauthorized access to the victim’s machine. Our investigation raised the possibility that an attacker may have compromised one of the fedex.com users...

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